NCT03318926

Brief Summary

The objective of the this study was to examine the amount and duration of tea consumption in relation to the risk of renal stone disease.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
13,842

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jun 2001

Longer than P75 for all trials

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2001

Completed
8.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2009

Completed
8.2 years until next milestone

First Submitted

Initial submission to the registry

October 18, 2017

Completed
6 days until next milestone

First Posted

Study publicly available on registry

October 24, 2017

Completed
Last Updated

October 25, 2017

Status Verified

October 1, 2017

Enrollment Period

8.2 years

First QC Date

October 18, 2017

Last Update Submit

October 23, 2017

Conditions

Keywords

tea, cup-year, renal stone disease

Outcome Measures

Primary Outcomes (1)

  • Renal stone diseases

    The diagnosis of renal stones was established on the results of abdominal sonography

    health check-ups from June 2001 to August 2009

Eligibility Criteria

Age18 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

examinees who were ≥ 18 years old and underwent health check-ups with abdominal sonography at the health examination center of National Cheng Kung University Hospital

You may qualify if:

  • ≥ 18 years old

You may not qualify if:

  • individuals with a history of hyperuricemia or gout at baseline, findings of abdominal ultrasound showing transplant kidney, only one kidney, or gouty nephropathy, or missing data

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Nephrolithiasis

Condition Hierarchy (Ancestors)

Kidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrolithiasisMale Urogenital Diseases

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 18, 2017

First Posted

October 24, 2017

Study Start

June 1, 2001

Primary Completion

August 1, 2009

Study Completion

August 1, 2009

Last Updated

October 25, 2017

Record last verified: 2017-10